Self defense cell phone with shocking circuitry

Self defense cellular telephone

Self operating opening mechanism for use in a hand-held...

Self operating opening mechanism for use in a hand-held...

Self powered cell phone

Self-aligning wireless interface system and method

Self-balancing matrix amplifier

Self-biasing solid-state T/R switch

Self-calibrating radio

Self-configurable multipurpose modular portable device and...

Self-contained masthead units for cellular communication...

Self-contained masthead units for cellular communication...

Self-cradling type portable communication terminal

Self-diagnostic system for cellular-transceiver systems with...

Self-identifying antenna system

Self-rechargeable portable telephone

Self-rechargeable portable telephone

Self-rechargeable portable telephone device with electricity...

Self-tuned millimeter wave RF transceiver module

Semi built-in multi-band printed antenna